javascript - "Close"spawn() 函数的回调在 grunt 插件中不起作用

Question

我正在创建一个 grunt 插件，它广泛使用了 grunt.util.spawn 函数 ( http://gruntjs.com/api/grunt.util#grunt.util.spawn )。我的插件的基本框架如下:

'use strict';

module.exports = function (grunt) {

    var spawn = require("child_process").spawn;

    var createCommit = function (text) {
        var commit = grunt.util.spawn({
                    cmd: "git",
                    args: ["commit","-a","-m", text]
        }, function() {
                    console.log("FINISH! FINISH! FINISH!");
        });
    };

    grunt.registerMultiTask("myplugin", "Plugin to commit awesome things", function () {
        createCommit("0.2.0");
    });
};

然而，当我尝试执行这个垃圾任务时，console.log("FINISH!FINISH!FINISH!"); 永远不会被 mi 回调执行...有人可以提供帮助我用这个？

Answer 1

最后我找到了这个问题的解决方案(Wait async grunt task to finish)。解决这个问题的关键是在注册中使用函数this.async。一个可能的解决方案是:

'use strict';

module.exports = function (grunt) {

    var spawn = require("child_process").spawn,
        donePromise;

    var createCommit = function (text) {
        var i = 0;
    var commit = grunt.util.spawn({
            cmd: "git",
            args: ["commit","-a","-m", text]
        }, function() {
            callback();
            donePromise();
        });
    };


   grunt.registerMultiTask("myplugin", "Plugin to commit awesome things", function () {
        donePromise = this.async();
        createCommit("0.3.0");
    });
};